Version 1

[yaffs-website] / vendor / guzzlehttp / promises / src / RejectedPromise.php

diff --git a/vendor/guzzlehttp/promises/src/RejectedPromise.php b/vendor/guzzlehttp/promises/src/RejectedPromise.php
new file mode 100644 (file)
index 0000000..2bc6508
--- /dev/null
+++ b/vendor/guzzlehttp/promises/src/RejectedPromise.php
@@ -0,0 +1,87 @@
+<?php
+namespace GuzzleHttp\Promise;
+
+/**
+ * A promise that has been rejected.
+ *
+ * Thenning off of this promise will invoke the onRejected callback
+ * immediately and ignore other callbacks.
+ */
+class RejectedPromise implements PromiseInterface
+{
+    private $reason;
+
+    public function __construct($reason)
+    {
+        if (method_exists($reason, 'then')) {
+            throw new \InvalidArgumentException(
+                'You cannot create a RejectedPromise with a promise.');
+        }
+
+        $this->reason = $reason;
+    }
+
+    public function then(
+        callable $onFulfilled = null,
+        callable $onRejected = null
+    ) {
+        // If there's no onRejected callback then just return self.
+        if (!$onRejected) {
+            return $this;
+        }
+
+        $queue = queue();
+        $reason = $this->reason;
+        $p = new Promise([$queue, 'run']);
+        $queue->add(static function () use ($p, $reason, $onRejected) {
+            if ($p->getState() === self::PENDING) {
+                try {
+                    // Return a resolved promise if onRejected does not throw.
+                    $p->resolve($onRejected($reason));
+                } catch (\Throwable $e) {
+                    // onRejected threw, so return a rejected promise.
+                    $p->reject($e);
+                } catch (\Exception $e) {
+                    // onRejected threw, so return a rejected promise.
+                    $p->reject($e);
+                }
+            }
+        });
+
+        return $p;
+    }
+
+    public function otherwise(callable $onRejected)
+    {
+        return $this->then(null, $onRejected);
+    }
+
+    public function wait($unwrap = true, $defaultDelivery = null)
+    {
+        if ($unwrap) {
+            throw exception_for($this->reason);
+        }
+    }
+
+    public function getState()
+    {
+        return self::REJECTED;
+    }
+
+    public function resolve($value)
+    {
+        throw new \LogicException("Cannot resolve a rejected promise");
+    }
+
+    public function reject($reason)
+    {
+        if ($reason !== $this->reason) {
+            throw new \LogicException("Cannot reject a rejected promise");
+        }
+    }
+
+    public function cancel()
+    {
+        // pass
+    }
+}